This machine is designed and manufactured on the basis of the advanced technology from abroad and the merits of the same kind of product at home. It is a computer contorlled bag-making machine. It is suitable for making bags of many kids of heat-melting film such as PE, PP and PVC etc. There are such features as photoelectricontrol automatic ally put material,photoelectrisit follows the tracks of color code in the color printing bag making, pecking motor controls the speed and the lengh of bag, bag lengh & speed control by computer. It is an ideal machine to produce bags for hotel use, gament bags, garbage bags, OPP, PE bags,etc.